<math-field
  value="S_{\triangle }=\frac{ab\sin \left(\gamma \right)}{2}"
  scrollingelement="[object HTMLHtmlElement]"
  class="math no-touch"
  role="textbox"
  tabindex="0"
  read-only=""
  >S_{\triangle }=\frac{ab\sin \left(\gamma \right)}{2}
</math-field>
